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A gust of wind pushes a beach ball with a force of 9 newtons. The ball rolls 10 meters in 3 seconds. What is the power of the wind?
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5 votes
A gust of wind pushes a beach ball with a force of 9 newtons. The ball rolls 10 meters in 3 seconds. What is the power of the wind?

User Adam Pierce
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2 Answers

6 votes
Power is the rate of doing work. So power = work done/ time

therefore power = force * distance/ time

= 9 * 10 / 3 = 30W
User Yusuke Hakamaya
by
7.7k points
5 votes
Power is the rate of doing work. So, it is expressed as

power = work done/ time

therefore power = force * distance/ time

Power = 9 * 10 / 3 = 30W

Hope this answers the question. Have a nice day.
User Mark Finch
by
8.5k points
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